2. 9 Circuits

It contains 9 circuit-building challenges you’ll have to overcome. And you’ll get to build things like a game, a homemade musical instrument and a cookie-jar alarm.

A component kit for the book is ready to be shipped from Santa Fe, California. Or London, UK. And according to the dates set by the carriers, if you order this week, the kit should be delivered within the 25th if you live in the UK or the US.